<template>
	<view class="content">
		<scroll-view scroll-y class="left-aside">
			<view class="f-item b-b" :class="active==index?'active':''" v-for="(item,index) in cate"
				@click="change_item(index)">{{item.name}}</view>
		</scroll-view>
		<scroll-view scroll-with-animation scroll-y class="right-aside">
			<view class="s-list" v-show="active==index" v-for="(item,index) in cate">
				<view class="t-list">
					<view class="t-item"v-for="(item2,index2) in item.children" :key="item2._id"
					@click="navTo(`/pages/product/list?cate_id=${item._id}&is_top=1`)">
						<image :src="item2.img"></image>
						<text class="s-item">{{item2.name}}</text>
					</view>
				</view>
			</view>
		</scroll-view>
	</view>
</template>

<script>
	import {
		cateApi
	} from '@/api/api.js'
	export default {
		data() {
			return {
				cate: [],
				active: 0
			}
		},
		methods: {
			Cate() {
				cateApi().then(res => {
					console.log(res.data)
					if (res.data.code == 1) {
						this.cate = res.data.data
					}
				})
			},
			change_item(index) {
				this.active = index;
			}
		},
		onLoad() {
			this.Cate()
		}
	}
</script>

<style lang='scss'>
	page,
	.content {
		height: 100%;
		background-color: #f8f8f8;
	}

	.content {
		display: flex;
	}

	.left-aside {
		flex-shrink: 0;
		width: 200upx;
		height: 100%;
		background-color: #fff;
	}

	.f-item {
		display: flex;
		align-items: center;
		justify-content: center;
		width: 100%;
		height: 100upx;
		font-size: 28upx;
		color: $font-color-base;
		position: relative;

		&.active {
			color: $base-color;
			background: #f8f8f8;

			&:before {
				content: '';
				position: absolute;
				left: 0;
				top: 50%;
				transform: translateY(-50%);
				height: 36upx;
				width: 8upx;
				background-color: $base-color;
				border-radius: 0 4px 4px 0;
				opacity: .8;
			}
		}
	}

	.right-aside {
		flex: 1;
		overflow: hidden;
		padding-left: 20upx;
	}

	.s-item {
		display: flex;
		align-items: center;
		height: 70upx;
		padding-top: 8upx;
		font-size: 28upx;
		color: $font-color-dark;
	}

	.t-list {
		display: flex;
		flex-wrap: wrap;
		width: 100%;
		background: #fff;
		padding-top: 12upx;

		&:after {
			content: '';
			flex: 99;
			height: 0;
		}
	}

	.t-item {
		flex-shrink: 0;
		display: flex;
		justify-content: center;
		align-items: center;
		flex-direction: column;
		width: 176upx;
		font-size: 26upx;
		color: #666;
		padding-bottom: 20upx;

		image {
			width: 140upx;
			height: 140upx;
		}
	}
</style>
